Home / 49,418.10-74,132.55-47,862.90

Finding the Fourth Proportional to 49,418.10, 74,132.55 and 47,862.90

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Solution

The fourth proportional to 49,418.10, 74,132.55 and 47,862.90 is: 71,799.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,418.10 : 74,132.55 = 47,862.90 : x
  2. Step 2: Convert to fraction form
    49,418.10/74,132.55 = 47,862.90/x
  3. Step 3: Cross multiply
    49,418.10x = 74,132.55 × 47,862.90
  4. Step 4: Simplify right side
    49,418.10x = 3,548,198,827.40
  5. Step 5: Solve for x
    x = 3,548,198,827.40/49,418.10
  6. Step 6: Final answer
    x = 71,799.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.